Re: Unbalanced change hooks (part 2) [Documentation fix still remaining]

[Eli Zaretskii]

> From: address@hidden (Phillip Lord)
> Date: Tue, 30 Aug 2016 15:07:27 +0100
> Cc: Daniel Colascione <address@hidden>, address@hidden
> 
> So having them balanced and consistent would be nice. I agree that in
> fixing this, bad things might happens. But surely that is a risk of
> fiddling with any core part of Emacs. One response would be to not to
> it. Another response would be to incrementally increase the number of
> test cases Emacs has to enable this (and other) changes in the core to
> be made with more confidence.

My response is that we should not do it until we have decent test
coverage of the insdel functionality.  I simply don't believe in our
ability to avoid breakage in this core functionality unless we have
good test coverage.  Been there, done that, have bruises to prove it.